Tobis Tonbild Syndikat GmbH
Tobis TonbActive Patents
0
Total Holdings
5
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE914462C | Method for checking the film position in image projectors | Expired / Lapsed | 1943-05-05 | 1954-07-01 | 0 | Details |
| FR903962A | Method for controlling the position of the film in image fi… | Expired / Lapsed | 1944-05-04 | 1945-10-23 | 0 | Details |
| FR53160E | Polygonal prism for optical compensation of the moving move… | Expired / Lapsed | 1943-09-16 | 1945-09-20 | 0 | Details |
| US2264367A | Apparatus for the optical compensation of the wandering of … | Expired / Lapsed | 1940-04-19 | 1941-12-02 | 0 | Details |
| DE633160C | Device for recording or playing back sound recordings | Expired / Lapsed | 1931-11-26 | 1936-07-21 | 0 | Details |